Система вакуумного дренажа,申请号SU19610730664-传众专利搜索

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法人/股东/高管

发明名称	Система вакуумного дренажа
摘要
申请公布号	SU144063(A1)	申请公布日期	1961.11.30
申请号	SU19610730664	申请日期	1961.05.16
申请人		发明人	DEGTYAREV B.M.
分类号	E02B11/00	主分类号	E02B11/00
代理机构		代理人
主权项
地址

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